Finding the Third Proportional to 111,694.50 and 168,570

Step by Step Solution

1. Step 1: Write the proportion equation
   111,694.50 : 168,570 = 168,570 : x
2. Step 2: Convert to fraction form
   111,694.50/168,570 = 168,570/x
3. Step 3: Cross multiply
   111,694.50x = 168,570 × 168,570
4. Step 4: Simplify right side
   111,694.50x = 28,415,844,900
5. Step 5: Solve for x
   x = 28,415,844,900/111,694.50
6. Step 6: Final answer
   x = 254,406.84